Mass flow sensor (DM_EGR), faulty
â–¶ How to fix
Perform a general troubleshooting of the sensor and replace the inlet mass flow sensor if needed.
What you'll see
No driver-visible symptom recorded.
System reaction
The engine will use a calculated value of the mass flow and engine performance will be affected.
Diagnostic depth
Detection
The EMS has found a fault on the air mass flow sensor.
Possible cause
The inlet mass flow sensor is not working properly.